Improvement in fastening handles to tools



JAMES* INIRRO'STEMENT IN FASTEING- HANDLES TO TOOLS.

l'llli Schedule `referred. to in these Letters Patent and*l making part o! tho same.

` y 4To all whom this 'may concern.: y

Be it known that I, JAMES M.. DE

M. DE WIfr'r, or cHJcAGoiLLIN'oIs.,

Leners man: N 89,564, zaad May 4, iseo.-A y

cago, in the county of Cook, and State of Illinois, have invented an Improvement in Fastening Handles to Tools and Im that the iollo'win pleinents; and I- do g is a full, clear,

and exact description thereof, which will enable others. skilled .ein the art t make and the accompanying usethe same, drawihgs,

lreference beinghad to andletters marked there- Figure l is a perspective whose han improvement. Figure 2 Figure iig. 2.

forming tl y. to bedriveu by a hammer projection which is smaller than ille is fastened to The nature of the present ie shank of a chisel Iteprescntation'of a chisel the blade according 'to myl a longitudinal section of the same. 3, a transverse section, taken on the l inexx,

invention consists in or other tool, which .is

or mallet, -with a cylindrical the shoulder of vthe blade, and occupiesa place between 'it and the screw which holds the blade inthe handle, said projection intersection with the having -a' screw,` which, together with the shoulder at the-termination of the blade, forms sustain the driving-force. Y B represents the bladeof has its shank so form I), as to provide tw bearing against the end of the a compound bearing to an ordinary chisel, which ed, by means of an enlarged part, o shoulders, I F, the shoulder F handle A in the usual hereby declare isturnedinto the handle I F so closely against theirl .respective bearings asto v and the shoulder I bearing against the bottom of' a socket, whih -is 'made in the end of the handle, and fits the enlarged part Dfclosely, thus pro vding an inner bearing forthe shank', so far from the end of the handleasto prevent it from splitting, asit frequently does when the shank is secured in the ordinary manner.

The end of the shank terminates in a screw, 0, which Auand drawsitheshoulders manner,

prevent'the blade B from getting loose.

Care should be taken not to make the enlarged part D any longer than will the -fe'rrule E, otherwise the socket will necessarily have to be cut so deep as to weaken the handle.

As to the utility of this invei1tion, it is assumed ,that a tool whose handle is 'fastened in this manner is much more substantial than a tool whose blade is fastened to the handle by 'a tapering shank, driven in in the'ordinary manner. 7

Having thus .described my invention, `Vhat I claim to be new, and desire Letters Patent of the United States, is- 4 The chisel B, constructed as shown and described, as an article of manufacture.

` JAS. M. DE WITT. Witnesses: I E. E. GIBSON, G. L. CHAPLN.

correspond with the length of to secure by 

